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Set up the BCM570x chip's DMA Read/Write Control register more

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correctly.  This fixes the "watchdog timeout -- resetting" errors
seen on Dell 2650 systems.

MFC after:	1 month
This commit is contained in:
John Polstra 2002-09-22 18:27:29 +00:00
parent ac11ad13fb
commit 8287860e04
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103806
1 changed files with 10 additions and 2 deletions
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12
sys/dev/bge/if_bge.c
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@ -1017,8 +1017,16 @@ bge_chipinit(sc)
BGE_MEMWIN_WRITE(sc, i, 0);
/* Set up the PCI DMA control register. */
pci_write_config(sc->bge_dev, BGE_PCI_DMA_RW_CTL,
BGE_PCI_READ_CMD|BGE_PCI_WRITE_CMD|0x0F, 4);
if (pci_read_config(sc->bge_dev, BGE_PCI_PCISTATE, 4) &
BGE_PCISTATE_PCI_BUSMODE) {
/* Conventional PCI bus */
pci_write_config(sc->bge_dev, BGE_PCI_DMA_RW_CTL,
BGE_PCI_READ_CMD|BGE_PCI_WRITE_CMD|0x3F000F, 4);
} else {
/* PCI-X bus */
pci_write_config(sc->bge_dev, BGE_PCI_DMA_RW_CTL,
BGE_PCI_READ_CMD|BGE_PCI_WRITE_CMD|0x1B000F, 4);
}
/*
* Set up general mode register.